1.

At a certain temperature, the vapour pressure( in mm Hg) of CH_(3)OH and C_(2)H_(5)OH solutionis representedbyP = 119 x + 135 where x is themolefractionof CH_(3)OH . Whatare thevapour pressureof pure componentsat thistemperature ?

Answer»


Solution :For `CH_(3) OH ,` x = 1
` thereforeP = 119+135 = 245 mm H`
For `C_(2)H_(5)OH , x = 0`
`thereforeP = 119 xx 0+135 = 135 mm HG`


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